magnetoresistance相关论文
采用溶胶凝胶法制备了一系列的多晶(La1-xSmx)2/3Sr1/3MnO3样品,X射线衍射研究表明,随Sm含量的增加,样品出现从菱面相向正交相结构......
Enhanced Low-field Magnetoresistence in the Absence of Mn Content in Polycrystalline La0.67Ca0.33MnO
Magnetic and electrical transport properties of the La0.67Ca0.33Mn1-xO3(x=0-0.16), which were prepared by the sol-gel me......
Dependence of Magnetoresistance on the Thickness of a Dusted Al Spacer Inserted in CoFe/Cu/CoFe Sand
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The magnetoresistive properties of discontinuous ferromagnetic Fe and Co thin films deposited by electron-beam sputterin......
Epitaxial growth of single-crystalline Ni46Co4Mn37In13 thin film and investigation of its magnetores
Single-crystalline thin film of Ni46Co4Mn37In13 alloy grown on MgO(0 0 1) was prepared by Pulsed Laser Deposition (PLD) ......
Giant magneto resistance and temperature coefficient of resistance in Sm0.55Sr0.30Ag0.15MnO3 perovsk
Silver ions substituted samarium strontium manganite (Sm0.55Sr0.30Ag0.15MnO3) pervoskite was synthesized by using respec......
Low-field positive and high-field negative magnetoresistances in multiphase Fe-oxide thin films at r
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Magnetoresistive sensor can be widely used in modern transportation field, such as the vehicle positioning and navigatio......
Effects of soft-magnetic MnZn ferrite (Mn0.3Zn0.5Fe2O4, MZF) and hard-magnetic Ba ferrite (BaO.6Fe2O3, BaM) on the struc......
Current spin polarization and spin injection efficiency in ZnO-based ferromagnetic semiconductor jun
[FeNi(3 nm)/Zn1-xCoxO(3 nm)]2/ZnO(d nm)/[Zn1-xCoxO(3 nm)/Co(3 nm)]2 (d=3 and 10) semiconductor junctions were prepared b......
Epitaxial growth of single-crystalline Ni46Co4Mn37In13 thin film and investigation of its magnetores
Single-crystalline thin film of Ni46Co4Mn37In13 alloy grown on MgO(0 0 1) was prepared by Pulsed Laser Deposition (PLD) ......
Using pulsed laser deposition, Fex-C1-x films on Si(100) substrates were prepared. AtT =300K and B =5T a large positive ......
Bulk polycrystalline samples of La0.60Sr0.4MnO3 and La0.60Sr0.25-yNa0.15ΔyMnO3 with 0.00≤ y ≤0.15 ("Δ" representing ......
The La2/3Ca1/3Mn1-xCuxO3 (0≤x<6%) samples were prepared by sol-gel method. Transport properties, conductive mechanism an......
With substitution of La by Tb in (La1-xTbx)0.67Sr0.33MnO3, the room temperature magnetoresistance AR/R0 drops at first, ......
A series of Co/Si/(Co/Cu/Co) multilayers and Co/Si/Co sandwiches were prepared by high vacuum electron-beam evaporation.......
Influence of annealing treatment on structural and magnetic properties of double perovskite Sr2FeMoO
The structure, magnetic and electric properties of Sr2FeMoO6 (the as-made sample) and samples after heat treatment were ......
Half-metallic Fe3O4 films prepared by DC magnetron reactive sputtering with a tantalum(Ta) buffer layer was investigated......
Recent work on magnetic quantum point contacts (QPCs) was discussed. Complete magnetoresistance loops across Co QPCs as ......
2×(FeNi/CoZnO)/ZnO/(CoZnO/Co)×2 spin-inJection devices were prepared by sputtering and photo-lithography. In the devic......
Effect of second introduced phase on magnetotransport properties of La2/3Sr1/3MnO3/0.33(CuO, ZnO, Al
The structure, magnetic and magnetotransport properties of La2/3Sr1/3MnO3(LSMO)/0.33(CuO, ZnO, Al2O3) composites were in......
We investigated the effect of different synthesis techniques on the structural,magnetic and magneto-transport properties......
The nanocrystalline samples of Nd1-xSrxMnO3 (NSMO) (x=0.5, 0.55, 0.60, 0.63) were synthesized by sol-gel based polymeric......
Low-field positive and high-field negative magnetoresistances in multiphase Fe-oxide thin films at r
Multiphase Fe-oxide thin films are fabricated on glass substrates by a facing-target sputtering technique.X-ray diffract......
By soft chemical processing, two kinds of nanoscaled lanthanum manganite granular composites, La0.7Sr0.3MnO3/CoFe2O4 (LS......
具有大磁阻效应的材料广泛运用在实际生活中,因此对这些材料的研究具有重要的科学意义和现实意义。该论文通过实验发现,与一般金属不......
The combination of ferromagnetic metal (FM) and semiconductor (SC) for spin injection was studied and demonstrated with ......
A polycrystalline La2/3 (Ca0.60 Ba0.40 ) 1/3 MnO3 was prepared by standard solid reaction method. Magnetization(M) and m......
应用静磁场理论分析了高分辨磁旋转编码器磁鼓的表露磁场,通过数值计算得到磁鼓表露场分布的直观曲线.设计制作出性能优良的磁旋转......
从铋晶体的结构出发,阐述其结构与磁致电阻及热电效应之间的关系.介绍有关铋的磁致电阻效应及热电效应的最新研究成果.铋纳米材料......
采用溶胶-凝胶法,以半径较小的Eu^3+部分替代离子半径较大的La^3+,制备一系列(La1-xEux)2/3Sr1/3MnO3大块多晶试样(x=0.1、0.2,0.3、0.4、0.5、0.6......
稀土锑/铋化物中4f电子的复杂自旋、轨道结构诱发了丰富的物理性质.本文重点研究ErBi单晶的热学和电学性质,揭示弱磁各向异性很有......
用固相反应法制备了二元掺杂系列La2/3(CaxBa1-x)1/3MnO3(x=0,0.40,0.45,0.55,0.60,1.0)多晶材料;在77 K~420 K范围内测量了样品的......
用固相反应烧结法制备了多晶体材料La2/3Ca1/3MnO3(LCMO),La2/3(Ca0.5Ba0.5)1/3MnO3(LCBMO)、La2/3Ba1/3MnO3(LBMO),La2/3(Sr0.5Ba......
采用溶胶-凝胶方法制备了系列样品La_(0.75)Sr_(0.25-x)K_xMnO_3(x=0.00,0.05,0.07,0.10)。对系列样品进行了相结构、磁性和电输运性质的......
用高温高压法、在1260℃和5.0GPa条件下,成功制备出电子型掺杂层状钙钛矿结构锰氧化物La2-2xCa1+2xMn2O7(x=1.0~0.8)系列样品.样品......
研究了样品La5/6Li1/6MnO3的内耗、直流电阻、交流磁化率.在75-245 K的温度范围内,在0.3T的磁场下该样品有明显的磁阻(MR)效应.测......
用溶胶-凝胶法制备了双层钙钛矿锰氧化物La(4/3)Sr(5/3)Mn2O7(A是Ca或者Ba,x=0,0.1,0.2)系列多晶样品,并对其结构及电、磁输运性质进行了研究.研究......
采用溶胶-凝胶法制备了La2/3Sr1/3Mn1-xCuxO3(x=0,0.05,0.10,0.20)的多晶样品.利用振动样品磁强计测量了样品在室温下的磁性能;利......
利用散射矩阵理论,研究了多通道纳米线结构中的量子化电导、自旋极化和弹道磁电阻.结果表明:在铁磁排列时,自旋简并解除,量子化电导以e^......
对poly(3-hexylthiophene) (P3HT)光伏器件产生正、负向磁场效应的原因进行了研究.制作了不同活性层厚度的光伏器件,光电流的磁场效应......
实验详细研究了Ga掺杂对锰基氧化物La1/2(Pr1/4+3y/4Ca3/4-3y/4)1/2 Mn1-y GayO3(Mn^3+:Mn^4+=5:3,y=0,0.02,0.05,0.08和0.10)的磁性和电输运性质的影响......
发现锑化铟一铟共晶体磁阻元件被置于偏磁系统后,对脉冲变化的红外光的照射,它的输出信号增强了.采用灵敏度K1=3.6,K2=1.02(B=0.3T......
采用固相烧结法制备了名义成分为La1-xKxMnO3(x=0.1~0.4)和La0.8K0.2-yAgyMnO3(y=0~0.2)的多晶样品,发现用K、Ag取代La后,可使菱面体结......
利用溶胶-凝胶法(sol-gel)制备了稀土锰氧化物La0.60Sr0.30-yNa0.10MnO3(y=0,0.05,0.10,0.15)多晶样品。通过扫描电子显微镜(SEM)、物理......
采用固相反应法制备了系列Ca(Mn2Cu1)Mn4O12/mAg2O多晶类钙钛矿锰氧化物.X射线衍射表明,m≤0.3的样品呈比较纯净的类钙钛矿相,而m>0......
采用脉冲激光沉积方法,以烧结的Fe3O4为靶材,在STO(100)基底上制备了Fe3O4(100)薄膜。XRD和AFM显示薄膜为纯相外延单晶薄膜、表面较平整......
C布预制体C/C复合材料试样经不同温度石墨化处理后,通过X射线衍射法标定其石墨化度,研究其磁电阻特性.结果表明:随着石墨化度的提......
系统阐述了磁性材料在磁传感方面的应用,重点说明了掺杂磁性材料La2/3(Ca0.6Ba0.4)1/3MnO3在磁传感方面的应用,通过实验研究了La2/......
研究具有纳米级晶粒尺寸的(Sr2FeMoO6)(1-x)/(CeO2)x复合材料的电输运性质.发现其低场磁致电阻效应在整个温区内要高于纯Sr2FeMoO6多晶材......